// Thud - a dynamic object-oriented language
// Copyright (C) 2009,2010 David H. Hovemeyer <david.hovemeyer@gmail.com>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

/*
 * Reader.cpp
 *
 *  Created on: Dec 11, 2009
 *      Author: dhovemey
 */

#include "util/EOFException.h"
#include "util/Reader.h"

Reader::Reader()
{

}

Reader::~Reader()
{

}

size_t Reader::read(wchar_t *buf, size_t n)
{
	size_t numRead = 0;
	while (numRead < n) {
		long c = readChar();
		if (c < 0) {
			break;
		}
		buf[numRead] = wchar_t(c);
		numRead++;
	}

	if (numRead == 0) {
		throw EOFException(L"End of file", 0);
	}

	return numRead;
}
